Operation and controlling apparatus for electric computers with an information recording and reproducing unit



FIG. 1 is a top, front and right side perspective view of an operation and controlling apparatus for electronic computers with an information recording reproducing unit showing my new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a rear elevational view thereof;

FIG. 5 is a bottom plan view thereof;

FIG. 6 is a left side elevational view thereof;

FIG. 7 is a right side elevational view thereof; and,

FIG. 8 is a top, front and right side perspective view thereof with a disc tray being pulled out. 

The ornamental design for an operation and controlling apparatus for electronic computers with an information recording and reproducing unit, as shown and described. 